By linking to the NB-IoT Wireless network platform, Goldcard IoT Diaphragm Meter realizes the functions of data transmission to cloud platform, remote valve control, gas consumption monitoring, ladder price regulation, data analysis, error alarm and so on. Combined with mobile phone APP, it can also achieve remote recharge and real-time interaction. As shown in the figure:
TypeG1.6G2.5Qmax (m3/h)2.54Qmin(m3/h)0.0160.025Measuring Accuracy 1.5Cyclic Volume (dm3)0.9Working Pressure (KPa)≤20Pressure absorption (Pa)≤200Working Temperature (ºC)-25~55Working Humidity (RH)30%~85%Working Voltage (V)DC3.6~6.3Current (μA)≤15Data Retention (year)>10Battery Life (year)≥10Valve Life (time)>10,000Inlet & Outlet diameterM30x2Inter-axis (mm)130IP degreeIP65Size227x168(L)x148(W)Communication modeNB-IoT